About the Authors

Delia Bethell, David Saunders, Kosol Yongvanitchit, Amporn Limsalakpetch, Utaiwan Kum-Arb, Nichapat Uthaimongkol, Ans E. Timmermans, Anneke Engering, Stuart D. Tyner, Mark M. Fukuda, Douglas S. Walsh, Sathit Pichyangkul
Department of Immunology and Medicine, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand

Anan Jongkaewwattana, Jarin Kramyu
Virology and Cell Technology Laboratory, National Center for Genetic Engineering and Biotechnology, Bangkok, Thailand

Arunee Thitithayanont, Suwimon Wiboon-ut
Faculty of Science, Mahidol University, Bangkok, Thailand

Jean Michel Garcia, Malik Peiris
University of Hong Kong-Pasteur Research Center, Hong Kong Special Administrative Region, China

Stephen Thomas, Richard G. Jarman, Duangrat Mongkolsirichaikul
Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand

Carl Mason, Nuanpan Khemnu
Department of Enteric Diseases, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand

Corresponding Author

delia.bethell@afrims.org

Competing Interests

The authors declare they have no competing interests. This study was supported by MedImmune, which also provided FluMist Seasonal Trivalent Live Attenuated Intranasal Vaccine for use in the trial. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors. There are no patents, products in development or marketed products to declare.

Author Contributions

Conceived and designed the experiments: DB DS AE SDT MF SP. Performed the experiments: DB DS AJ JK AT SW KY AL UK NU JMG AT MP ST RGJ DM NK SDT DSW SP. Analyzed the data: DB DS KY AL NU MMF DSW SP. Contributed reagents/materials/analysis tools: AJ JK AT SW JMG MP CM. Wrote the paper: DB DS AT JMG AT ST AE RGJ SDT MMF DSW SP.